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the claim

The Paleocene epoch experienced global temperatures significantly higher than present day.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the Paleocene epoch experienced global temperatures significantly higher than present day?

Yes. Multiple geochemical and paleontological studies confirm that the Paleocene epoch and its associated thermal maximum featured global temperatures significantly higher than those of the present day.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The retrieved papers consistently demonstrate that the Paleocene epoch, including the Paleocene-Eocene Thermal Maximum, experienced global mean surface temperatures significantly higher than modern or pre-industrial levels. Papers [0], [5], and [10] directly quantify these elevated temperatures using various proxies such as deep-sea sediment records and soil clumped isotopes. Therefore, the claim is strongly supported by the evidence.

Evidence for · 3
Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum (EECO), Paleocene–Eocene Thermal Maximum (PETM), and latest Paleocene
2020
This study calculates that global mean surface temperatures during the latest Paleocene and PETM were substantially warmer than pre-industrial levels.
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Inglis, G., Bragg, F., Burls, N., Cramwinckel, M., Evans, D., Foster, G., Huber, M., Lunt, D., Siler, N., Steinig, S., Tierney, J., Wilkinson, R., Anagnostou, E., Boer, A. D. d., Jones, T. D., Edgar, K., Hollis, C., Hutchinson, D., & Pancost, R. (2020). Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum (EECO), Paleocene–Eocene Thermal Maximum (PETM), and latest Paleocene. doi.org. https://doi.org/10.5194/cp-16-1953-2020

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More for · 2
Long- and short-term coupling of sea surface temperature and atmospheric CO<sub>2</sub> during the late Paleocene and early Eocene.
2024
The research details long-term global warming and hyperthermal events across the late Paleocene and early Eocene driven by greenhouse gas forcing.
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DT, H., B, H., GJ, B., RE, Z., LL, H., DE, P., & JC, Z. (2024). Long- and short-term coupling of sea surface temperature and atmospheric CO<sub>2</sub> during the late Paleocene and early Eocene.. doi.org. https://doi.org/10.1073/pnas.2318779121

Substantial continental temperature rise over the Paleocene-Eocene Thermal Maximum in the Pyrenees
2025
Analysis of soil carbonates demonstrates that continental temperatures during the Paleocene and its hyperthermals were significantly higher than present.
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Újvári, G., Kele, S., Rinyu, L., Payros, A., Stadelmaier, K. H., Kovács, J., Kovács, I., Bajnóczi, B., Pujalte, V., Schmitz, B., & Bernasconi, S. (2025). Substantial continental temperature rise over the Paleocene-Eocene Thermal Maximum in the Pyrenees. doi.org. https://doi.org/10.1038/s43247-025-02479-8

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Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8804 Aug 2026
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